3 ms·Bear in mind that approximately 200 nuclear bombs have been exploded within the earths atmosphere already.by andrewstuart 5y agoBear in mind that approximately 200 nuclear bombs have been exploded within the earths atmosphere already.mhh__ 5y agoMore like 500. The US has done about 200 yesjaywalk 5y agoAh yes, all of those (aside from two) bombs exploding in the middle of nowhere make me feel so much better about the possibility of one or more exploding over the big city 10 miles away from me.